package org.example.day20240812;

import java.util.Scanner;

public class text1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int num = scanner.nextInt();
        if(num>0){
            System.out.println("正数");
        }else if(num<0){
            System.out.println("负数");
        }else{
            System.out.println("0");
        }
    }
}
